Chains and heterogens:
PDB Chain Sequences:
>4qa3A (A:) meepeepadsgqslvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpk vasmeematfhtdaylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggati taaqclidgmckvainwsggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlh hgdgvedafsftskvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdeky yqicesvlkevyqafnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatli lggggynlanmarcwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrneph riqqilnyikgnlkhvviegrgshhhhhh
>4qa3A (A:) lvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpkvasmeematfhtd aylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggatitaaqclidgmckv ainwsggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlhhgdgvedafsfts kvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdekyyqicesvlkevyq afnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatlilggggynlanmar cwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrnephriqqilnyikgnl khvvi
>4qa3B (B:) meepeepadsgqslvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpk vasmeematfhtdaylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggati taaqclidgmckvainwsggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlh hgdgvedafsftskvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdeky yqicesvlkevyqafnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatli lggggynlanmarcwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrneph riqqilnyikgnlkhvviegrgshhhhhh
>4qa3B (B:) lvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpkvasmeematfhtd aylqhlqkvsqegdhpdsieyglgydcpategifdyaaaiggatitaaqclidgmckvai nwsggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlhhgdgvedafsftskv mtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdekyyqicesvlkevyqaf npkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatlilggggynlanmarcw tyltgvilgktlsseipdhefftaygpdyvleitpscrpdrnephriqqilnyikgnlkh vv